Home / 1,199,253.77-1,798,683.61-430,592.36

Finding the Fourth Proportional to 1,199,253.77, 1,798,683.61 and 430,592.36

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Solution

The fourth proportional to 1,199,253.77, 1,798,683.61 and 430,592.36 is: 645,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,253.77 : 1,798,683.61 = 430,592.36 : x
  2. Step 2: Convert to fraction form
    1,199,253.77/1,798,683.61 = 430,592.36/x
  3. Step 3: Cross multiply
    1,199,253.77x = 1,798,683.61 × 430,592.36
  4. Step 4: Simplify right side
    1,199,253.77x = 774,499,412,471.72
  5. Step 5: Solve for x
    x = 774,499,412,471.72/1,199,253.77
  6. Step 6: Final answer
    x = 645,817.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.